I think so but, I can't read Japanese so, ...
http://streaming.yahoo.co.jp/c/y/tab/10228/1022800001/
It looks like they have Sailor Moon, Doremi, and an old B&W magical girl
series, among others.
It to watch, seems you will need:
+ Windows 2000/XP/Vista
+ Internet Explorer 6
+ Windows Media Player 9 or Adobe Flash Player 8
+ JavaScript and ActiveX
Please tell me more.
-Rob
